Keep your building warm and your tenants comfortable. Commercial heating repair, installation, and maintenance for businesses across the five boroughs of New York City, plus Nassau County and Long Island.
RTU failures can affect entire floors or zones. We diagnose and repair gas valves, ignitors, heat exchangers, and controls.
Boiler issues can shut down heating for entire buildings. We service steam and hot water boilers of all sizes.
Multi-zone systems require proper balancing. We diagnose damper, thermostat, and control issues.
Inefficient commercial heating wastes money. We identify efficiency issues and recommend cost-saving solutions.
Indicates control, sizing, or airflow problems that stress equipment and waste energy.
Commercial equipment noises can indicate bearing failure, combustion issues, or loose components requiring service.
Your business can't afford to be without heat. Cold temperatures affect employee productivity, customer comfort, and can even damage inventory or equipment. Our commercial heating team understands the urgency of business HVAC issues. We service all types of commercial heating systems—from rooftop units (RTUs) and commercial boilers to warehouse heaters and multi-zone systems. With 24/7 emergency availability and experience across retail, office, industrial, and institutional facilities, we're the commercial heating contractor New York City and Nassau County businesses call.
From call to comfort in 6 easy steps
We offer 24/7 emergency dispatch for commercial calls. Call (332) 600-4640 for current response times.
Our commercial-trained technicians diagnose issues accurately using professional diagnostic tools.
We explain the problem, provide repair options, and give you the information to make informed decisions.
We carry common commercial parts and work efficiently to restore your heating.
We test the system thoroughly and ensure proper operation before leaving.
We provide complete service documentation for your records and maintenance history.
We've served retail, office, industrial, restaurant, and institutional facilities across New York City and Long Island.
Our technicians are trained on Carrier, Trane, Lennox, York, and other commercial equipment.
We understand business urgency and dispatch around the clock.
Custom maintenance contracts keep your equipment running reliably and efficiently year-round.
Work is performed to applicable NYC codes; where a permit is required we coordinate it with licensed Professional Engineers. We provide documentation for inspections.
Clear quotes with no surprises. We work with your budget and priorities.
No fees. No surprises. Just honest service.
Repair pricing based on scope of work
Tailored preventive maintenance programs
Commercial pricing varies by equipment type, building size, and service requirements. We provide detailed quotes before any work begins.
Business+ plans start at $499/year — includes 2 rtu tune-ups, 15% off all services, and priority scheduling.
Factory-trained technicians for all major HVAC manufacturers









Don't see your brand? We service all major manufacturers! Call us to confirm.
Commercial HVAC service for buildings across the five boroughs and nearby counties
Get answers to common questions about our services
Yes, we provide 24/7 emergency service for commercial heating failures. Call (332) 600-4640 for current response times.
We service rooftop units (RTUs), commercial boilers, gas-fired heating sections and commercial furnaces, unit heaters, make-up air units, radiant heating, and multi-zone systems from all major manufacturers.
Yes, we offer customized maintenance contracts based on your equipment and needs. Regular maintenance prevents costly breakdowns and extends equipment life.
Absolutely. We understand many businesses need service after hours to avoid disruption. We offer flexible scheduling including nights and weekends.
We provide 24/7 emergency dispatch for commercial calls. Call (332) 600-4640 for current response times.
Yes, we provide complete service documentation for your records, insurance requirements, and regulatory compliance.
Manage a building we've serviced? A quick review helps other NYC property managers and building owners find us.
EPA-certified · factory-trained · fully insured
Our businesses' top picks for heating, cooling & air quality
Equipment services, industry expertise, NYC compliance, and the metro areas we cover.
Don't let heating problems affect your business. Call Com+ Mechanical for commercial heating service across New York City and Long Island.
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